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- PDB-3m3d: Crystal structure of Acetylcholinesterase in complex with Xenon -

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Basic information

Entry
Database: PDB / ID: 3m3d
TitleCrystal structure of Acetylcholinesterase in complex with Xenon
ComponentsAcetylcholinesterase
KeywordsHYDROLASE / protein-Xe complex / Acetylcholinesterase / Alpha/Beta Hydrolase / Serine esterase / GLYCOSYLATED PROTEIN / Cell junction / Cell membrane / Disulfide bond / Glycoprotein / GPI-anchor / Lipoprotein / Membrane / Neurotransmitter degradation / Synapse
Function / homology
Function and homology information


acetylcholine catabolic process in synaptic cleft / acetylcholinesterase / acetylcholinesterase activity / synaptic cleft / side of membrane / synapse / plasma membrane
Similarity search - Function
Acetylcholinesterase, fish/snake / Cholinesterase / Carboxylesterase type B, conserved site / Carboxylesterases type-B signature 2. / Carboxylesterase type B, active site / Carboxylesterases type-B serine active site. / Carboxylesterase, type B / Carboxylesterase family / Alpha/Beta hydrolase fold, catalytic domain / Alpha/Beta hydrolase fold ...Acetylcholinesterase, fish/snake / Cholinesterase / Carboxylesterase type B, conserved site / Carboxylesterases type-B signature 2. / Carboxylesterase type B, active site / Carboxylesterases type-B serine active site. / Carboxylesterase, type B / Carboxylesterase family / Alpha/Beta hydrolase fold, catalytic domain / Alpha/Beta hydrolase fold / Rossmann fold / 3-Layer(aba) Sandwich / Alpha Beta
Similarity search - Domain/homology
DI(HYDROXYETHYL)ETHER / XENON / Acetylcholinesterase
Similarity search - Component
Biological speciesTorpedo californica (Pacific electric ray)
MethodX-RAY DIFFRACTION / AB INITIO / Resolution: 2.34 Å
AuthorsBehnen, J. / Brumshtein, B. / Toker, L. / Silman, I. / Sussman, J.L. / Klebe, G. / Heine, A.
CitationJournal: To be Published
Title: Old acquantance rediscover; use of xenon/protein complexes as a generic tool for SAD phasing of inhouse data
Authors: Behnen, J. / Krueger, H. / Brumshtein, B. / Toker, L. / Silman, I. / Sussman, J.L. / Klebe, G. / Heine, A.
History
DepositionMar 9, 2010Deposition site: RCSB / Processing site: RCSB
Revision 1.0Mar 9, 2011Provider: repository / Type: Initial release
Revision 1.1Jul 13, 2011Group: Version format compliance
Revision 1.2Nov 8, 2017Group: Refinement description / Category: software / Item: _software.name
Revision 1.3Jan 24, 2018Group: Structure summary / Category: audit_author / Item: _audit_author.name
Revision 1.4Jul 29, 2020Group: Data collection / Derived calculations / Structure summary
Category: chem_comp / entity ...chem_comp / entity / pdbx_chem_comp_identifier / pdbx_entity_nonpoly / struct_conn / struct_site / struct_site_gen
Item: _chem_comp.name / _chem_comp.type ..._chem_comp.name / _chem_comp.type / _entity.pdbx_description / _pdbx_entity_nonpoly.name / _struct_conn.pdbx_leaving_atom_flag / _struct_conn.pdbx_role
Description: Carbohydrate remediation / Provider: repository / Type: Remediation

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

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Assembly

Deposited unit
A: Acetylcholinesterase
hetero molecules


Theoretical massNumber of molelcules
Total (without water)62,86112
Polymers61,3251
Non-polymers1,53611
Water3,783210
1
A: Acetylcholinesterase
hetero molecules

A: Acetylcholinesterase
hetero molecules


Theoretical massNumber of molelcules
Total (without water)125,72224
Polymers122,6502
Non-polymers3,07222
Water362
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
crystal symmetry operation6_765-x+2,-x+y+1,-z+1/31
Buried area5860 Å2
ΔGint29 kcal/mol
Surface area39110 Å2
MethodPISA
Unit cell
Length a, b, c (Å)111.769, 111.769, 137.232
Angle α, β, γ (deg.)90.00, 90.00, 120.00
Int Tables number152
Space group name H-MP3121
Components on special symmetry positions
IDModelComponents
11A-601-

XE

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Components

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Protein / Sugars , 2 types, 3 molecules A

#1: Protein Acetylcholinesterase / / AChE


Mass: 61325.090 Da / Num. of mol.: 1 / Fragment: UNP residues 22-564 / Source method: isolated from a natural source
Source: (natural) Torpedo californica (Pacific electric ray)
References: UniProt: P04058, acetylcholinesterase
#3: Sugar ChemComp-NAG / 2-acetamido-2-deoxy-beta-D-glucopyranose / N-Acetylglucosamine


Type: D-saccharide, beta linking / Mass: 221.208 Da / Num. of mol.: 2
Source method: isolated from a genetically manipulated source
Formula: C8H15NO6
IdentifierTypeProgram
DGlcpNAcbCONDENSED IUPAC CARBOHYDRATE SYMBOLGMML 1.0
N-acetyl-b-D-glucopyranosamineCOMMON NAMEGMML 1.0
b-D-GlcpNAcIUPAC CARBOHYDRATE SYMBOLPDB-CARE 1.0
GlcNAcSNFG CARBOHYDRATE SYMBOLGMML 1.0

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Non-polymers , 4 types, 219 molecules

#2: Chemical ChemComp-XE / XENON / Xenon


Mass: 131.293 Da / Num. of mol.: 2 / Source method: obtained synthetically / Formula: Xe
#4: Chemical ChemComp-PG4 / TETRAETHYLENE GLYCOL / Polyethylene glycol


Mass: 194.226 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: C8H18O5 / Comment: precipitant*YM
#5: Chemical
ChemComp-PEG / DI(HYDROXYETHYL)ETHER / Diethylene glycol


Mass: 106.120 Da / Num. of mol.: 6 / Source method: obtained synthetically / Formula: C4H10O3
#6: Water ChemComp-HOH / water / Water


Mass: 18.015 Da / Num. of mol.: 210 / Source method: isolated from a natural source / Formula: H2O

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Experimental details

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Experiment

ExperimentMethod: X-RAY DIFFRACTION / Number of used crystals: 1

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Sample preparation

CrystalDensity Matthews: 4.03 Å3/Da / Density % sol: 69.52 %
Crystal growTemperature: 277 K / Method: vapor diffusion, sitting drop / pH: 6.5
Details: 42% PEG 200, 150mM MES, pH 6.5, VAPOR DIFFUSION, SITTING DROP, temperature 277K

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Data collection

DiffractionMean temperature: 100 K
Diffraction sourceSource: SEALED TUBE / Wavelength: 1.54178 Å
DetectorType: MAR scanner 345 mm plate / Detector: IMAGE PLATE / Date: Oct 20, 2009
RadiationProtocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 1.54178 Å / Relative weight: 1
ReflectionResolution: 2.34→40 Å / Num. obs: 32637 / % possible obs: 99.2 % / Observed criterion σ(F): 0 / Observed criterion σ(I): 0 / Redundancy: 10.5 % / Rsym value: 0.104 / Net I/σ(I): 15.2
Reflection shellResolution: 2.34→2.38 Å / Redundancy: 7.7 % / Mean I/σ(I) obs: 3.5 / Rsym value: 0.461 / % possible all: 97.1

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Processing

Software
NameClassification
MAR345dtbdata collection
HKL2Mapmodel building
SHELXL-97refinement
XDSdata reduction
XDSdata scaling
SHELXphasing
RefinementMethod to determine structure: AB INITIO
Starting model: NONE

Resolution: 2.34→10 Å / Num. parameters: 18041 / Num. restraintsaints: 17879 / Cross valid method: FREE R / σ(F): 0 / Stereochemistry target values: ENGH AND HUBER
Details: ANISOTROPIC SCALING APPLIED BY THE METHOD OF PARKIN, MOEZZI & HOPE, J.APPL.CRYST.28(1995)53-56 ANISOTROPIC REFINEMENT REDUCED FREE R (NO CUTOFF)
RfactorNum. reflection% reflectionSelection details
Rfree0.2 --RANDOM
Rwork0.19 ---
obs-32637 100 %-
Refine analyzeNum. disordered residues: 4 / Occupancy sum hydrogen: 4033 / Occupancy sum non hydrogen: 4453.8
Refinement stepCycle: LAST / Resolution: 2.34→10 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms4191 0 85 210 4486
Refine LS restraints
Refine-IDTypeDev ideal
X-RAY DIFFRACTIONs_bond_d0.005
X-RAY DIFFRACTIONs_angle_d0.02
X-RAY DIFFRACTIONs_similar_dist0
X-RAY DIFFRACTIONs_from_restr_planes0.0236
X-RAY DIFFRACTIONs_zero_chiral_vol0.024
X-RAY DIFFRACTIONs_non_zero_chiral_vol0.031
X-RAY DIFFRACTIONs_anti_bump_dis_restr0.019
X-RAY DIFFRACTIONs_rigid_bond_adp_cmpnt0
X-RAY DIFFRACTIONs_similar_adp_cmpnt0.055
X-RAY DIFFRACTIONs_approx_iso_adps0
LS refinement shellResolution: 2.34→2.38 Å

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